Which category of structures is composed of different components that work together to perform various functions of the body as a whole?
a. tissues
b. systems
c. organs
d. cells

between the two muscle layers is the myenteric or auerbach's plexus, which controls peristalsis. in the colon, the muscularis externa is much thicker because the feces are large and heavy, requiring more force to push along. the stomach has a third layer of muscularis externa: the inner oblique layer.

answer:

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explanation:

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